Index: AD5941_interface09302025/DDTeensyDefs.h
===================================================================
diff -u -r155b2459fb174d166376c729458e8d3881e65f9b -r9347ab61cc26e8afa4f0ac6071b7f9d9dcccbda5
--- AD5941_interface09302025/DDTeensyDefs.h	(.../DDTeensyDefs.h)	(revision 155b2459fb174d166376c729458e8d3881e65f9b)
+++ AD5941_interface09302025/DDTeensyDefs.h	(.../DDTeensyDefs.h)	(revision 9347ab61cc26e8afa4f0ac6071b7f9d9dcccbda5)
@@ -58,6 +58,19 @@
     UPDATE_CFG_STATUS_SUCCESS
 };
 
+// Update Measurement Settings Status
+typedef enum Mst_param_idx
+{
+    CONDUCTIVITY_MST_PARAM_IDX_SINFREQ = 0,       ///< SinFreq : Frequency of excitation signal
+    CONDUCTIVITY_MST_PARAM_IDX_DACPP,             ///< DacVoltPP : DAC output voltage in mV peak to peak. Maximum value is 800mVpp. Peak to peak voltage
+    CONDUCTIVITY_MST_PARAM_IDX_BIAS,              ///< BiasVolt : The excitation signal is DC+AC. This parameter decides the DC value in mV unit. 0.0mV means no DC bias.
+    CONDUCTIVITY_MST_PARAM_IDX_RTIA,              ///< HstiaRtiaSel : Valid param values ( 0, 1, 2, 3, 4, 5, 6, 7 )
+    CONDUCTIVITY_MST_PARAM_IDX_PGA,               ///< AdcPgaGain : Valid param values ( 1, 1.5, 2, 4, 9 ) i.e interpreted as ( 0, 1, 2, 3, 4 ) respectively in Teensy.
+    CONDUCTIVITY_MST_PARAM_IDX_DFTNUM,            ///< DftNum : DFT number  Valid param values ( 4096, 2048, 1024, 512, 256 ) i.e interpreted as ( 10, 9, 8, 7, 6 ) respectively in Teensy.
+    CONDUCTIVITY_MST_PARAM_IDX_AVGNUM,            ///< ADCAvgNum : Valid param values ( 2, 4, 8, 16 )i.e interpreted as ( 0, 1, 2, 3 ) respectively in Teensy.
+    MAX_CONDUCTIVITY_MST_PARAM_IDX                ///< Total number of Measurement settings parameters
+};
+
 typedef enum Update_EEPROM_Status
 {
     UPDATE_EEPROM_STATUS_INVALID_CMD = 0,